Maintaining a healthy weight allows the respiratory system to work more effectively because

(1 point)
• oxygen is being delivered more adequately.
• the heart does not have to pump as forcefully.
• the capillaries are constricted.
• the lung capacity allows for small amounts of air.

1 answer

The correct answer is: the heart does not have to pump as forcefully.

Maintaining a healthy weight reduces the strain on the heart and lungs, improving overall respiratory efficiency and oxygen delivery to the body. Excess weight can lead to respiratory issues and increased workload for the cardiovascular system.